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120BER10E

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number
120BER10ETYNSULP4 ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number

120BER10ETYNSULP4

Boundary Dimensions

BER: 25° Bearing Type
d 120 mm Bore diameter
D 180 mm Outside diameter
B 28 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 57.0 kN Basic Dynamic Load Rating
C0r 48.5 kN Basic Static Load Rating

Speeds The limiting speeds of the ball guided cage is lower than the outer ring guided cage.

Grease 8000 min-1 Limiting Speed
Oil (Oil-air) 10000 min-1 Limiting Speed

Dimensions

25° Contact Angle
a 49.0 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 130 mm Diameter of Shaft Abutment
Da(max.) 170 mm Diameter of Housing Abutment
Db(max.) 174 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 86.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 98N 143N/μm 0μm
L 983N 313N/μm -15μm
M 1973N 404N/μm -26μm

Additional information

9.1 g/brg Recommended Grease Quantities

Mass

2.29 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_RS_BER
NSK Product Type Super Precision Bearing
Designations 120BER10E

© NSK Ltd.

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